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Chell 2432は、エンジンテストセル用に最適化された圧力スキャナーです。
2432は高精度のデジタル絶対圧変換器を使用し、過酷な環境においても最高の性能を発揮します。Chell nativeプロトコル、IENA、およびiDDSを使用して、差圧または絶対圧の温度補正された圧力値をイーサネット経由で、チャンネルあたり最大200Hzの速度で出力します。 また、既存の設備での使用を容易にするため、NetscannnerコマンドをサポートするNetscannnerエミュレーション・モードも備えています。
2432は、パージとゼロ用に電気駆動のシャトルバルブを内蔵することで高圧供給ラインの必要性がなくなりました。シャトルバルブは、位置フィードバック、モーターの電流検出、シャトル数のカウントを備えており、メンテナンスの計画立案に役立ちます。
| General | |
|---|---|
| Differential ranges available | 1, 2.5, 5, 7, 10, 17, 35, 55, 103, 207 and 310 kPa |
| Number of channels | 32 |
| Maximum Acquisition Speed (measurements / channel / second) | 400 (200 for iDDS output) |
| Data Output | |
| Output formats | Ethernet (TCP/IP & UDP), Chell and Netscanner protocols, IENA and iDDS (optional) |
| Ethernet Specification | 100Mbit TCP/IP or UDP (user configurable) |
| Performance | |
| System Accuracy | See table below |
| Absolute Ranges | See table below |
| Calibrated absolute pressure range (differential range ≤ 8 psid) | 13 kPa to 160 kPa (1.89 psia to 23.2 psia) |
| Calibrated absolute pressure range for differential ranges between 103 kPa (15 psi) and 300 kPa (43.5 psid) | 13 kPa to 400 kPa (1.89 psia to 58 psia) |
| Calibrated absolute pressure range for differential range ≥ 689 kPa (100 psid)) | 13 kPa to 1140 kPa (1.89 psia to 165 psia) |
| Line pressure effect | Negligible |
| Proof Pressure (all ranges) | Ranges ≤ 55 kPa : 35 kPa (50 psig), Ranges >55 kPa : 1380 kPa (200 psig) |
| Ouput Resolution | 16 bit or ±range / 65536 |
| System Resolution | 24bit |
| Mechanical | |
| Dimensions (width x depth x height in mm) | 241 x 89 x 115 excluding mating SQDC |
| Weight (Valved / non-valved) | 59.5 x 33.5 x 11.2 excluding tubulations |
| Weight (16 Channel / 32 Channel) | 2kg |
| Enclosure Sealing | IP54 |
| Measurement ports | 1.0mm or 1.6mm bulged tubulations, 1mm or 1/16” solid tubing - all via mating SQDC |
| Purge, cal and reference ports | 5/16”-24 SAE O ring boss |
| Maximum purge pressure | 10 bar gauge |
| Purge Flow | 22 SLPM at 1 bar purge, 46 SLPM at 2 bar purge and 66 SLPM at 3 bar |
| Power Supply | |
| DC Power | 18 to 32 VDC with smart sensing power supply max current = 1.25A at 28VDC |
| PoE Specification | IEEE 802.3at (Type 2) - Reduced heater power mode IEEE 802.3bt (Type 3) - Full heater power mode |
| Electrical Connector | 09-49-15KPT06FS |
| Environment | |
| Operating Temperature Range | 0 to +90°C |
| Compensated Temperature Range | 0 to +90°C with option for -20 to 90°C |
| Storage Temperature Range | -55 to +90°C |
| Ambient Pressure | 100 mbar abs (52,000 ft) to 2.5 bar abs |
| Vibration | Engine standard vibration test to DO160E category S, curve W with duration of 1 hr/axis. Fan blade (20 g 2 kHz) |
| Shock | Fan blade out to DO160F section 7 (40g 11 m/s) |
| Maximum relative humidity | 95% at 50°C (non-condensing) |
| Radiated emissions | MIL standard 461-E: RE102 |
| Conducted emissions | MIL standard 461-E/MIL standard 461-C |
| Timing / Data Synchronisation | |
| Time Stamping | IEEE 1588 PTPv2 |
| Time Stamping Resolution | 1μs |
| Hardware Trigger | 5 V TTL pulse, maximum 400 Hz, minimum 2 Hz |
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